[b3lha]

Originally Posted by svxistentialist

Now your problem will be this:I'm not a wiring expert, in fact it gives me nightmares, but SFAIK the Econ switch in the shifter will be of the single pole, single throw type[SPST] To operate two functions you probably need to replace this with a double pole, double throw type of the same size, and run the extra wire to the a4 pin, using the common local ground connection on the transmission tunnel.

A single pole switch would work fine with the addition of a relay, but I don't think USDM cars have an Econ switch, so it's a moot point.

Originally Posted by svxistentialist

The logical step is to have one switch. When ON, Power mode is activated. When OFF, you have Econ mode working.

I am planning a software mod along these lines for UK SVXes just as soon as I get my hands on a UK ECU.